(WGU D312) SCIE 1011 Anatomy & Physiology - OA Readiness Exam Guide - 2024.

D312 SCIE 1011



Anatomy & Physiology




OA READINESS EXAM GUIDE
Q&S




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,1. Which of the following cells are responsible for bone
resorption?
a. Osteoblasts
b. Osteocytes
c. Osteoclasts
d. Chondrocytes

Answer: c. Osteoclasts
Rationale: Osteoclasts break down bone tissue during
bone resorption.

2. Which part of the neuron is primarily responsible for
receiving signals from other neurons or sensory cells?
a. Axon
b. Dendrite
c. Soma
d. Synapse

Answer: b. Dendrite
Rationale: Dendrites receive signals from other
neurons or sensory cells.

3. Which of the following hormones increases blood
calcium levels by stimulating osteoclasts?
a. Calcitonin
b. Parathyroid hormone
c. Insulin
d. Adrenaline

Answer: b. Parathyroid hormone
Rationale: Parathyroid hormone stimulates osteoclasts
to increase blood calcium levels.
©2024/2025

, 4. Which type of muscle prevents the backflow of blood
due to its specialized structure?
a. Skeletal muscle
b. Smooth muscle
c. Cardiac muscle
d. Voluntary muscle

Answer: c. Cardiac muscle
Rationale: Cardiac muscle contains intercalated discs
that support synchronized contractions and prevent
backflow of blood.

5. Which of the following structures filters and cleans the
blood in the kidneys?
a. Ureter
b. Glomerulus
c. Renal pelvis
d. Loop of Henle

Answer: b. Glomerulus
Rationale: The glomerulus is responsible for blood
filtration in the kidneys.

#### Fill-in-the-Blank Questions

6. The functional unit of the kidney is called the
____________.

Answer: Nephron
Rationale: The nephron is the primary structural and
functional unit of the kidney.

©2024/2025