Nokea
The nurse is aware that which muscle group is both striated and involuntary?
- A. Skeletal
- B. Glial
- C. Cardiac
- D. Visceral
Correct Answer: C
Rationale: The cardiac muscle is both striated and involuntary.
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Which is the most complex structural level of organization of the body?
- A. Body as a whole
- B. Cellular
- C. Organs
- D. Chemical
Correct Answer: A
Rationale: The structural levels of organization progress from the least complex (chemical) through cells, tissues, organs, systems to the most complex (the body as a whole).
When the patient complains of pain in the bladder, this indicates a likely disorder in which body cavity?
- A. Pelvic
- B. Mediastinum
- C. Dorsal
- D. Abdominal
Correct Answer: A
Rationale: A subdivision called the pelvic cavity contains the lower portion of the large intestine (lower sigmoid colon, rectum), urinary bladder, and internal structures of the reproductive system.
Which is the largest organelle, responsible for cell reproduction and control of other organelles?
- A. Nucleus
- B. Ribosome
- C. Mitochondrion
- D. Golgi apparatus
Correct Answer: A
Rationale: The nucleus is the largest organelle within the cell.
When the nurse assesses an arm in proximal to distal order, the assessment is performed in which manner?
- A. From the shoulder to the fingers.
- B. From the front to the back.
- C. From the fingers to the center of the body.
- D. From the center of the body to the fingers.
Correct Answer: A
Rationale: Proximal is nearest the origin of the structure. Distal is farthest from the origin of the structure.
How are the thoracic and abdominal cavities separated?
- A. By the pleura
- B. By the diaphragm
- C. By the sagittal plane
- D. By the peritoneum
Correct Answer: B
Rationale: The diaphragm (a muscle directly beneath the lungs) separates the ventral cavity into the thoracic (chest) and abdominal cavities.