Chapter 04: Psychobiologic Bases of Behavior

Chapter 04: Psychobiologic Bases of Behavior

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

MULTIPLE CHOICE

1. When a nurse administers an anticholinergic drug, it is important to assess for symptoms associated with inhibition of:

ANS:  D

Drugs with anticholinergic properties block parasympathetic function of certain cranial nerves, resulting in dilated pupils, decreased tearing, dry mouth, tachycardia, and a slowed gastrointestinal system. Anticholinergics do not affect spinal nerve function or function associated with the central or sympathetic nervous systems.

DIF:    Cognitive level: Understanding        REF:   p. 43

TOP:   Nursing process: Assessment           MSC:  NCLEX: Physiologic Integrity

2. A patient denies hunger despite ingesting fewer than 400 calories daily. The patient’s problem might be associated with dysfunction of which structure?

ANS:  B

Research has shown that the hypothalamus is involved with eating and satiety, so dysfunction might be a factor in anorexia nervosa. Research has not implicated any of the other brain structures listed in anorexia nervosa.

DIF:    Cognitive level: Understanding        REF:   p. 38

TOP:   Nursing process: Assessment           MSC:  NCLEX: Physiologic Integrity

3. A patient is recovering from surgery to remove a tumor in the cerebellum. Which assessment finding is most attributable to this diagnosis?

ANS:  B

The cerebellum coordinates muscle synergy and is responsible for the maintenance of equilibrium. The limbic system plays a role in taste, smell, memory, learning, emotional control, and motivation.

DIF:    Cognitive level: Understanding        REF:   p. 42

TOP:   Nursing process: Assessment           MSC:  NCLEX: Physiologic Integrity

4. The nurse plans discharge teaching for a patient who experienced a stroke involving the hippocampus. The nurse should adapt the teaching plan to account for possible problems with:

ANS:  C

The limbic system is crucial to memory. Damage to the hippocampus, a part of the limbic system, causes problems converting short-term to long-term memory, making learning difficult. Aphasia is a temporal lobe problem. Blindness is an occipital lobe problem. Balance and coordination are affected by damage to the cerebellum.

DIF:    Cognitive level: Understanding        REF:   p. 38               TOP:   Nursing process: Planning

MSC:  NCLEX: Physiologic Integrity

5. A patient diagnosed with split-brain syndrome has damage to which structure of the brain?

ANS:  D

The corpus callosum connects the two brain hemispheres. When this communication pathway is severed, split-brain syndrome develops. None of the other structures is implicated in this disorder.

DIF:    Cognitive level: Understanding        REF:   p. 35

TOP:   Nursing process: Assessment           MSC:  NCLEX: Physiologic Integrity