1. Which of the following describes the levels of organization in an animal’s bo
ID: 1967285 • Letter: 1
Question
1. Which of the following describes the levels of organization in
an animal’s body, from least complex to most complex?
A. Cells, tissues, organs, organ systems
B. Cells, organs, tissues, organ systems
C. Cells, organ systems, tissues, organs
D. Tissues, cells, organs, organ systems
2. During surgery, the veterinarian needs to make a cut in the
skin along the ventral surface of the abdomen, moving in the
caudal direction. The veterinarian makes the cut toward the
A. spine. C. tail.
B. head. D. limb.
3. The study of how cells produce proteins would fall within the
field of
A. histology. C. taxonomy.
B. anatomy. D. physiology.
4. A researcher has developed a drug that kills cells by preventing transcription. The most
direct effect of the drug is that it prevents the cells from
A. making new DNA.
B. making new proteins.
C. exporting substances from the cytoplasm.
D. breaking things down in the cytoplasm.
5. Which cells would you be most likely to find in the dermis?
A. Keratinocytes C. Pacinian corpuscles
B. Melanocytes D. Fibroblasts
6. Which plane of reference would always divide a four-legged animal into two equal
halves that are mirror images of each other?
A. Median C. Transverse
B. Frontal D. Sagittal
7. A scientist has discovered the means to block the chemical that directly provides cells
with energy for cellular processes. Which cell substance is most likely to be inhibited
by this discovery?
A. Ribonucleic acid C. Proteins
B. Adenosine triphosphate D. Lipids
8. An endoplasmic reticulum is rough or smooth depending on the presence of
A. a nuclear membrane. C. mitochondria.
B. ribosomes. D. proteins.
9. Which cell organelles are present in greater numbers in cells with high energy demands?
A. Mitochondria C. Lysosomes
B. Nuclei D. Golgi apparatus
10. What is the function of the arrector pili muscles?
A. Moving the eyes C. Making the hair stand erect
B. Moving the ears D. Emptying the sweat glands
11. The scientific name of a species is written in italics and includes which of the following?
A. The order to which the species belongs
B. The class to which the species belongs
C. The phylum to which the species belongs
D. The genus to which the species belongs
12. Based on your understanding of the terms proximal and distal, the distal sesamoid
bone in the equine leg would be expected to have which relationship to the proximal
sesamoid bone found on the same leg?
A. The distal sesamoid bone is closer to the hoof than the proximal sesamoid bone.
B. The distal sesamoid bone is closer to the body than the proximal sesamoid bone.
C. The distal sesamoid bone is closer to the midline of the body than the proximal
sesamoid bone.
D. The distal sesamoid bone is closer to the skin than the proximal sesamoid bone.
13. In the prophase of mitosis, which of the following occurs?
A. The chromosomes coil into structures called genes.
B. The genes uncoil to form chromatin.
C. The chromatin coils and condenses into visible chromosomes.
D. The chromosomes uncoil to form chromatin.
14. Which statement about the dog’s planum nasale is true?
A. It’s extra thick and composed of all five epidermal layers.
B. If it’s warm, it indicates that the animal is sick.
C. There are a lot of sweat glands in the dermis.
D. The stratum lucidum and stratum granulosum are missing.
15. Where is the peritoneum located?
A. Abdomen C. Heart
B. Dorsal body cavity D. Thoracic cavity
16. Eccrine sweat glands are found in the _______ in dogs.
A. footpads and ears C. ears and under the tail
B. ears only D. footpads only
17. Organic compounds contain _______, and inorganic compounds don’t.
A. acids C. salts
B. lipids D. hydrocarbon groups
18. The horns of a goat are composed of
A. bone. C. keratin.
B. skin. D. epidermis.
19. When the blood vessels in the skin dilate, the result is
A. less heat loss and a drop in blood pressure.
B. less heat loss and a rise in blood pressure.
C. more heat loss and a rise in blood pressure.
D. more heat loss and a drop in blood pressure.
20. The nonliving matrix of the connective tissue through which the blood cells freely flow
is the
A. plasma. C. intracellular fluid.
B. extracellular fluid. D. submucosa.
21. The walls of the digestive tract are composed of
A. skeletal muscle. C. smooth muscle.
B. connective tissue. D. adipose tissue.
22. The word that means “toward the nose” is
A. cranial. C. dorsal.
B. proximal. D. rostral.
23. Salivary, sweat, and mammary glands are composed of _______ tissue.
A. connective C. epithelial
B. muscle D. nervous
24. Where are phospholipids primarily found in the body?
A. Cytoplasm C. Spindle apparatus
B. Cell membranes D. Extracellular fluid
25. The structure composed of a sheet of simple squamous epithelial cells that’s folded
onto itself to form a double layer is a
A. mucous membrane. C. nuclear membrane.
B. serous membrane. D. parietal layer.
Explanation / Answer
answers 1.A 2.C 3.A 4.B 5.D 6.D 7.B 8.B 9.A 10.C 11.D 12.D 13.C 14.A 15.A 16.D 17.D 18.C 19.D 20.A 21.C 22.D 23.C 24.B 25.B
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