APHY 102 MIDTERM EXAM - IVY TECH COMPREHENSIVE
NURSING & ALLIED HEALTH EXAM MASTERY PACKAGE
1. What best defines a hormone?
A. A neurotransmitter released at synapses
B. A chemical messenger secreted into ducts
C. A chemical messenger released into the bloodstream that acts on target tissues
D. A local signaling molecule acting only on the same cell
✅Correct Answer: C
Rationale: Hormones are secreted by endocrine glands into the blood and affect target cells
possessing specific receptors.
2. What is a paracrine secretion?
A. Acts on distant organs via blood
B. Acts on neighboring cells through interstitial fluid
C. Acts only on the secreting cell
D. Is released through ducts
✅Correct Answer: B
Rationale: Paracrine signals affect nearby cells without entering systemic circulation.
3. An autocrine secretion is best described as one that:
A. Acts on distant tissues
B. Acts through ducts
C. Acts on the same cell that secreted it
D. Is stored before release
✅Correct Answer: C
Rationale: Autocrine signaling allows cells to regulate their own activity.
4. Which structure defines an endocrine gland?
,ESTUDYR
A. Presence of ducts
B. Surface secretion
C. Direct hormone release into the bloodstream
D. Mechanical secretion
✅Correct Answer: C
Rationale: Endocrine glands are ductless and secrete hormones directly into circulation.
5. Which is an example of an exocrine gland?
A. Thyroid
B. Pituitary
C. Adrenal
D. Salivary gland
✅Correct Answer: D
Rationale: Exocrine glands release substances through ducts onto body surfaces.
6. Where is the thymus located?
A. Abdominal cavity
B. Cranial cavity
C. Mediastinum behind the sternum
D. Pelvic cavity
✅Correct Answer: C
Rationale: The thymus lies in the mediastinum and is essential for T-cell maturation.
7. The pineal gland is located in the:
A. Pituitary fossa
B. Center of the brain
C. Neck
D. Thoracic cavity
✅Correct Answer: B
, ESTUDYR
Rationale: The pineal gland sits near the center of the brain and regulates circadian rhythms.
8. Reproductive organs are primarily located in the:
A. Thoracic cavity
B. Cranial cavity
C. Abdominal and pelvic cavities
D. Mediastinum
✅Correct Answer: C
9. The pituitary gland is housed in the:
A. Temporal bone
B. Frontal sinus
C. Sella turcica of the sphenoid bone
D. Occipital bone
✅Correct Answer: C
10. Adrenal glands are located:
A. Posterior to the stomach
B. In the pelvic cavity
C. On top of each kidney
D. Inside the pancreas
✅Correct Answer: C
11. The pancreas is anatomically located:
A. Inferior to the liver
B. Posterior to the stomach
C. In the mediastinum
D. Beneath the bladder
✅Correct Answer: B