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CMN 568 - Unit 4 Questions with Detailed Verified
Answers
Acute onset of severe pain and vomiting suggests what? Ans: ✓ ✓ ✓ + Peritoneal irritation
+ Acute gastric or intestinal obstruction
+ Pancreaticobiliary disease
(McPhee p 588)
Persistent vomiting suggests what? Ans: ✓ ✓ ✓ + Pregnancy
+ Gastric outlet obstruction
+ Gastroparesis
+ Intestinal dysmotility
+ Psychogenic disorders
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+ CNS or systemic disorders
(McPhee p 589)
Vomiting in the morning suggests what? Ans: ✓ ✓ ✓ + Pregnancy
+ Uremia
+ ETOH intake
+ ↑ ICP
Vomiting after meals suggests what? Ans: ✓ ✓ ✓ + Bulimia
+ Peptic ulcer disease
+ Other psychogenic causes
(McPhee p 589, Shimp p 373)
Vomiting of undigested food 1-2 hours after a meal suggests what? Ans: ✓ ✓ ✓ + Gastroparesis
+ Small bowel obstruction
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+ Gastric outlet obstruction
NOTE: Sucussion splash often heard on auscultation
(McPhee p 589, Shimp p 373)
4 causes of nausea and vomiting Ans: ✓ ✓ ✓ 1) Visceral afferent stimulation (seratonin receptors)
2) Vestibular disorders (fibers ↑ in histamine and muscarinic receptors)
3) CNS disorders
4) Irritation of chemoreceptor trigger zone
(McPhee Table 15.1)
Ways to stimulate the chemoreceptor trigger zone and cause vomiting Ans: ✓ ✓ ✓ 1) Chemo
2) Medications and drugs
3) Radiation therapy
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4) Systemic disorders
CNS disorders that can cause vomiting Ans: ✓ ✓ ✓ 1) Migraine
2) ↑ ICP
3) Infections (e.g. meningitis, encephalitis)
4) Psychogenic
Vestibular disorders that can cause vomiting Ans: ✓ ✓ ✓ Labyrinthitis, Meniere syndrome, motion
sickness
Define RETCHING Ans: ✓ ✓ ✓ Strong, spasmodic, involuntary effort to vomit without bringing up
emesis.
(McPhee and Shimp)
Define REGURGITATION Ans: ✓ ✓ ✓ Effortless return of gas or small amounts of food from
stomach (McPhee and Shimp)
Common causes of vomiting in infants Ans: ✓ ✓ ✓ 1) Any acute illness (esp gastroenteritis)
2) Hypertrophic pyloric stenosis (2 - 8 weeks of life, may feel an "olive" in epigastric area after
feeding)
3) Intussisception (6 - 18 months of life, sausage-shaped mass and "currant jelly" stools)
© Get it right 2025 Getaway - Stuvia US All rights reserved
CMN 568 - Unit 4 Questions with Detailed Verified
Answers
Acute onset of severe pain and vomiting suggests what? Ans: ✓ ✓ ✓ + Peritoneal irritation
+ Acute gastric or intestinal obstruction
+ Pancreaticobiliary disease
(McPhee p 588)
Persistent vomiting suggests what? Ans: ✓ ✓ ✓ + Pregnancy
+ Gastric outlet obstruction
+ Gastroparesis
+ Intestinal dysmotility
+ Psychogenic disorders
© Get it right 2025 Getaway - Stuvia US All rights reserved
,Click here for more: Scholars nexus
+ CNS or systemic disorders
(McPhee p 589)
Vomiting in the morning suggests what? Ans: ✓ ✓ ✓ + Pregnancy
+ Uremia
+ ETOH intake
+ ↑ ICP
Vomiting after meals suggests what? Ans: ✓ ✓ ✓ + Bulimia
+ Peptic ulcer disease
+ Other psychogenic causes
(McPhee p 589, Shimp p 373)
Vomiting of undigested food 1-2 hours after a meal suggests what? Ans: ✓ ✓ ✓ + Gastroparesis
+ Small bowel obstruction
© Get it right 2025 Getaway - Stuvia US All rights reserved
,Click here for more: Scholars nexus
+ Gastric outlet obstruction
NOTE: Sucussion splash often heard on auscultation
(McPhee p 589, Shimp p 373)
4 causes of nausea and vomiting Ans: ✓ ✓ ✓ 1) Visceral afferent stimulation (seratonin receptors)
2) Vestibular disorders (fibers ↑ in histamine and muscarinic receptors)
3) CNS disorders
4) Irritation of chemoreceptor trigger zone
(McPhee Table 15.1)
Ways to stimulate the chemoreceptor trigger zone and cause vomiting Ans: ✓ ✓ ✓ 1) Chemo
2) Medications and drugs
3) Radiation therapy
© Get it right 2025 Getaway - Stuvia US All rights reserved
, Click here for more: Scholars nexus
4) Systemic disorders
CNS disorders that can cause vomiting Ans: ✓ ✓ ✓ 1) Migraine
2) ↑ ICP
3) Infections (e.g. meningitis, encephalitis)
4) Psychogenic
Vestibular disorders that can cause vomiting Ans: ✓ ✓ ✓ Labyrinthitis, Meniere syndrome, motion
sickness
Define RETCHING Ans: ✓ ✓ ✓ Strong, spasmodic, involuntary effort to vomit without bringing up
emesis.
(McPhee and Shimp)
Define REGURGITATION Ans: ✓ ✓ ✓ Effortless return of gas or small amounts of food from
stomach (McPhee and Shimp)
Common causes of vomiting in infants Ans: ✓ ✓ ✓ 1) Any acute illness (esp gastroenteritis)
2) Hypertrophic pyloric stenosis (2 - 8 weeks of life, may feel an "olive" in epigastric area after
feeding)
3) Intussisception (6 - 18 months of life, sausage-shaped mass and "currant jelly" stools)
© Get it right 2025 Getaway - Stuvia US All rights reserved
