Animal Anatomy and Physiology 1 Practice Exam

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• What unique anatomical structure is found in cardiac muscle but not in skeletal or smooth muscle?
• Which type of epidermal layer provides a barrier to water loss?
• When the left atrium contracts, blood is pushed through which valve into the left ventricle?
• What molecule contains the essential instructions for making all cell proteins?
• Which three types of blood vessels are found in the circulatory system?
• What is the main advantage of gas exchange occurring in capillaries?
• What terminology refers to the position closer to the trunk of the body in anatomical terms?
• What type of muscle is present in the walls of the digestive tract?
• What type of hair primarily serves a protective function on animal bodies?
• What is the correct path of blood flow through the heart and lungs?
• What type of blood vessel has the thickest walls and can withstand the greatest pressure?
• What is the name of the layer of elastic epithelial tissue that lines the inside of the heart?
• What structures form the hip joint?
• In mammals, the process of inspiration involves:
• What is the name of the protein that forms thin filaments?
• Which vessels are responsible for the diffusion of nutrients and oxygen to tissues?
• Which structure is responsible for conducting electrical impulses within cardiac muscle?
• True or False? All smooth muscle can contract without external stimuli.
• The hamstring muscles include which of the following?
• What structure bridges the gap in the dorsal part of the trachea?
• During which phase does the heart expand to fill with blood?
• Which muscle contains the patella embedded in its tendon?
• What does the term "aborad" refer to in anatomical terms?
• Which vertebrae are located dorsal to the abdomen?
• What is the name of the first cervical vertebrae?
• Which lymphatic organ is prominent in young animals but atrophies with age?
• What type of immunity do macrophages contribute to when they eliminate pathogens?
• In relation to the proximal sesamoid bone in the equine leg, where is the distal sesamoid bone located?
• What is the name of the cartilaginous flap that covers the opening of the larynx during swallowing?
• A researcher develops a drug that prevents transcription in cells. What is the most direct effect of this drug?
• What term describes the processes on the femur?
• What bone supports the base of the tongue and aids in swallowing?
• Which of the following is NOT a type of white blood cell?
• What is the name of the protective reflex stimulated by foreign material in the trachea or bronchi?
• What structure within a synovial joint is continuous with the periosteum of the articulating bones?
• In a mammal, how many lumbar vertebrae are typically present?
• The most cranial nine pairs of ribs in the dog connect directly to what?
• What is the largest lymphoid organ in the body?
• What term correctly describes the process of carrying blood to the tissues?
• What occurs during prophase in mitosis?
• During which stage of cell division do two new daughter cells form as the cell becomes pinched?
• What is the term for membranes that line the organs within the thorax, abdominal, and pelvic cavities?
• What structure in the heart is responsible for regulating heart rate?
• Which of the following is the most cranial bone in each half of the pelvis?
• Which cartilages make up the structure of the larynx?
• What are the scrolls of bone in the canine nasal cavity known as?
• What term describes the area at the back of the mouth where the nasal and oral cavities connect?
• Which muscle acts as a separator between the thorax and abdomen and plays a role in breathing?
• What structure consists of a sheet of simple squamous epithelial cells that folds onto itself to form a double layer?
• What is the significance of having a double circulation in mammals?
• What term describes the direction "towards the head" in anatomical terminology?
• What type of membrane is responsible for reducing friction between organs?
• When blood vessels in the skin dilate, what is the expected result?
• In mammals, which is the most common type of agranulocyte?
• An injury to the olecranon primarily affects which joint?
• In which muscle type can we find multiunit fibers?
• What neurotransmitter is responsible for initiating skeletal muscle contraction?
• Which type of secretion occurs without loss of cell contents?
• Eccrine sweat glands in dogs are primarily located in which area?
• Which type of drug is used to open the airways and facilitate easier breathing?
• What is the bone that forms the lower jaw called?
• What is the rhythmic contraction of smooth muscle referred to as?
• Which articular surfaces make up the shoulder joint?
• Which muscle is responsible for flexing the elbow?
• What is the name of the opening between the right and left atria present in fetal mammals?
• What is the opening into the larynx called?
• Which of the following phases is NOT part of the hair growth cycle?
• What is the predominant function of epithelial tissue in the body?
• Salivary, sweat, and mammary glands are primarily made up of which type of tissue?
• Which physiological process occurs predominantly during prophase?
• Which type of muscle primarily facilitates voluntary movement?
• What characteristic is unique to epithelial tissues?
• Which bones are involved in the formation of the elbow joint?
• A scientist blocks the chemical that provides cells energy for cellular processes. Which substance is most likely inhibited by this action?
• In the circulatory system, what is the primary purpose of the pulmonary veins?
• True or False: Once osteoclasts are surrounded by bone, they are called osteoblasts.
• One of the primary functions of the spleen is:
• What role do erythrocytes play in the circulatory system?
• What category does tissue that supports, binds, and protects other tissues fall under?
• What are the two types of smooth muscle?
• In dogs and cats, sesamoid bones are associated with which joint?
• What is the primary function of the arrector pili muscles?
• In anatomical terms, which direction is "caudal" referring to?
• The role of valves in the heart is to:
• What component is included in the scientific name of a species besides its italicized format?
• Where would you expect to find the superficial digital flexor tendon relative to the deep digital flexor tendon in a horse's leg?
• What neurotransmitter is responsible for the initiation of muscle contraction?
• What is the primary origin of normal electrical impulses in the heart?
• What type of movement involves a limb moving towards the midline of the body?
• In which direction does lymphatic fluid move?
• Which type of white blood cell is associated with allergic reactions?
• Which organelle is crucial for the synthesis of proteins within a cell?
• When the elbow extends, what is primarily happening at the shoulder?
• What is the primary role of ribosomes in the cell?
• What tiny channels in bone do blood vessels pass through?
• What are the smallest structures in the lung responsible for gas exchange?
• What is one of the spleen's functions in adult mammals?
• True or False: Condyles are found on the distal ends of the femur, humerus, and scapula.
• How are oxygen and nutrients primarily supplied to the hyaline cartilage on the articulating surfaces of a synovial joint?
• Which component is essential for the synthesis of proteins in cells?
• The vocal cords are primarily composed of what type of tissue?
• Which layer of skin is primarily responsible for storing fat?
• Which structure is located between the lungs and thorax?
• What is the name of the sensor that detects changes in oxygen levels in arterial blood?
• Which of the following cells is primarily involved in the immune response in the body?
• What is the thick-filament protein in muscle fibers called?
• What process involves moving air in and out of the alveoli during one complete breath?
• Normal cardiac rhythm is primarily determined by the:
• What is the primary function of the tricuspid valve in the heart?
• What characteristic is true about a dog's planum nasale?
• What is another name for the Caudal Vertebrae?
• A drug that decreases peristalsis would primarily affect which type of muscle?
• Blood vessels, lymphatic vessels, and nerves travel through compact bone via which canals?
• How many parts is the left lung divided into in mammals?
• What is the first step in the inflammatory response?
• Which type of sweat gland is characterized by secretion that involves loss of part of the gland cell?
• What description fits the membranes that line joint cavities?
• Which muscle or muscle group is responsible for flexing the tarsus and extending the digits?
• What vessel allows lymph fluid to reenter the bloodstream?
• What type of hair is specifically known as tactile hair?
• What is the name of the opening in the cranial cavity that allows the spinal cord to connect with the brain?
• What happens when smooth muscle contraction is decreased?
• Which muscle is primarily involved in extending the elbow?
• Which term refers to the plane that divides an animal into right and left halves?
• True or False: The ends of long bones are called epiphyses.
• Which vessel carries blood to the head?
• What pigment is responsible for coloring skin and hair?
• Which type of metabolism leads to lactic acid buildup during strenuous exercise?
• Which vertebrae are typically fused to form a solid bone structure?
• What is the role of the gastrocnemius muscle?
• What type of joint is the pelvic symphysis an example of?
• What is the term for parts of the head that are closer to the tip of the nose?
• What type of connective tissue serves to connect muscles to bones?
• Which blood cell type is primarily involved in the immune response?
• What is the term for the contraction phase of the heartbeat?
• What is the most caudal bone in the pelvis?
• In mammals, the primary component of hair is what?
• What are the three main types of muscles?
• What is the cavity located dorsal to the soft palate?
• Which chambers of the heart are correctly identified together?
• Which feature describes a somewhat spherical articular surface on the proximal end of long bones?
• What type of bond occurs between atoms that share electron pairs?
• When a concentration gradient exists, dissolved substances move from an area of _____ concentration to an area of _____ concentration. This movement is known as what?
• Which layer of skin is responsible for sensation due to the presence of nerve endings?
• How many cervical vertebrae do all domestic mammals have?
• In which skin layer would you primarily find collagen?
• Which bone creates the rostral wall of the cranial cavity?
• The amount of air remaining in the alveolus after expiration is referred to as:
• Cardiac muscle cells are referred to as what?
• What role do macrophages play in the immune system?
• What is the vertebrae associated with ribs called?
• The liquid component of blood in which cells are suspended is known as:
• What term describes the processes on the humerus?
• What substance primarily increases following the dilation of blood vessels in response to heat?
• What structure covers the ends of bones at a joint to protect them?
• Where are phospholipids primarily located in the body?
• Compact bone consists of tightly packed cylinders known as what?
• Which nitrogen bases are found in RNA?
• Which type of cells would you most likely find in the dermis layer of the skin?
• During surgery, when a veterinarian makes a cut along the ventral surface of the abdomen moving caudally, toward which direction are they cutting?
• Which joint in cats and dogs is classified as a deep ball-and-socket joint?
• Which nitrogen bases are present in DNA?
• What happens to the blood entering the left atrium?
• What type of tissue lines the tubes of the airways?
• Where is the peritoneum located in the body?
• Which process is primarily responsible for cell division that contributes to growth and tissue repair?
• Which plane of reference divides a four-legged animal into two equal mirror-image halves?
• Where are teeth in the lower jaw directly anchored?
• Which gland is primarily responsible for producing a spectrum of scents in animals?
• What role does lactic acid play in muscle physiology?
• The bond formed between sodium and chloride is classified as what type of bond?
• Muscle soreness in a racehorse post-race is primarily due to what process?
• What is the term for the process of carrying blood to the tissues?
• Which tissue type would you find specifically in ligaments and tendons?
• What is the primary function of the aorta?
• The horns of a goat are primarily composed of which material?
• Which type of tissue is primarily responsible for the contraction and movement of body parts?
• What type of veins carry blood from the lungs to the heart?
• Which of the following bones contains the mastoid process?
• Which skin structure plays a role in thermoregulation?
• What is the soft horny covering at the proximal end of the hoof wall called?
• What is the process by which cells undergo division to produce gametes?
• What process allows for the exchange of gases and waste materials across capillary walls?
• Which structure is a key component in allowing cells to communicate with one another?
• Which part of the spleen contains blood sinuses?
• What is the name of an abnormal blood vessel causing unusual blood flow around the liver?
• What substance reduces surface tension in the fluid lining the alveoli?
• What do organic compounds contain that inorganic compounds do not?
• Macrophages are specialized cells that have migrated from where?
• Which structure separates the left and right nasal passages?
• What type of contraction occurs in smooth muscle to aid digestion?
• How do macrophages recognize pathogens?
• Which of the following describes a function of the plasma membrane?
• Which term refers to the movement that brings long bones on either side of a joint closer together?
• In the case of a sudden release of calcium in skeletal muscle, which structure is responsible?
• What is the name of the C2 vertebrae?
• Which type of tissue makes up the lining of the digestive tract?
• What are the transverse processes of the first cervical vertebra commonly referred to as?
• Which organ plays a crucial role in filtering blood and recycling iron?
• What is the opening of the larynx known as?
• Which molecule is responsible for carrying genetic information within a cell?
• Which part of the heart collects oxygen-poor blood from the body?
• What is the outer layer of blood vessels made of?
• What is the nonliving matrix of connective tissue that allows blood cells to flow?
• Which layer is absent in the dog's planum nasale that typically exists in other skin regions?
• Which type of blood cell is primarily responsible for immune defense and phagocytosis?
• Which muscle is primarily responsible for flexing the shoulder joint?
• Substances that release hydrogen ions when dissolved in water are known as what?
• Which bone is commonly referred to as the thigh bone?
• What lines the alveolus and plays a role in preventing collapse?
• Which fiber-like protein is essential for providing skin with flexibility?
• Through which valve does blood flow from the right atrium to the right ventricle?
• What is the primary function of osteoblasts in bone tissue?
• What part of the brain, along with the pons, is responsible for regulating the respiratory system?
• Which term describes the anatomical direction "towards the nose"?
• Intramembranosus bone formation occurs only in which location?
• Which type of cell is primarily responsible for producing the extracellular matrix in connective tissue?
• What are the levels of organization in an animal's body, from least complex to most complex?
• What is the primary function of the infraspinatus muscle?
• Which vertebrae is firmly attached to the ilium?
• What occurs when the triceps muscle contracts?
• Which area of the brain senses increased blood temperature?
• Which type of muscle is involuntary?
• Which gas level is most significant in regulating the respiratory center of mammals?
• What are the digits that do not bear weight called?
• Which joint contains menisci?
• Which type of muscle is under voluntary control?
• Which term refers to the fusion of three bones in the pelvis?
• A species capable of significant foreleg rotation would likely possess which anatomical feature in the foreleg bones?
• The study of how cells produce proteins primarily falls within which field?
• What is the term for the area from one Z line to the next Z line in muscle fibers?
• What is the primary role of capillaries in the circulatory system?
• What substance accumulates in muscle during anaerobic respiration, potentially leading to fatigue?
• Can yellow bone marrow revert to red bone marrow?
• What component transmits contractile signals to the myofibrils?
• Which cells are responsible for the production of antibodies?
• Which region articulates with the head of the femur in the pelvis?
• True or False? Smooth muscle cells contain T-tubules.
• What term is used to describe a position "toward the side of the body, away from the midline"?
• Which of the following is NOT a function of the bone?
• The endoplasmic reticulum is termed rough or smooth based on the presence of what structures?
• What organelles are found in greater numbers in cells that have high energy demands?
• Which arteries supply blood to the head and neck?
• Which type of muscle is known for its voluntary control and striations?
• What is the primary function of the vertebral column in mammals?
• What is the main function of the pulmonary artery?
• What is the alternative name for leukocytes?
• What divides each nasal cavity into several divisions?
• The second and fourth metacarpal bones in the horse are commonly known as what?
• What is the largest part of a horse's hoof's bottom surface?
• What process involves the copying of DNA messages into RNA molecules?