Saliva is characterized by all the following except:
Anonymous Quiz
15%
Has higher K concentration than plasma
64%
Has higher CL concentration than plasma
6%
Contains mucus
14%
Secretion is stimulated by parasympathetic
In the stomach acid output is increased by which of the following?
Anonymous Quiz
75%
Alkalinization of the antrum
1%
Vagotomy
12%
Administration of an H2 -receptor antagonist
12%
Acidification of the antrum
The consequence of a non-pharmacologically compensated gastrectomy is
Anonymous Quiz
23%
Folate acid deficiency
67%
Cobalamin deficiency
8%
Vitamin B6 deficiency
2%
Vitamin B9 deficiency
A 25-year-old woman develops bilateral facial swelling consistent with parotitis. Which of the following best describes the salivary glands?
Anonymous Quiz
13%
Approximately 4 L of saliva is secreted per day.
8%
Cranial nerve VIII passes through the parotid gland.
76%
Starch digestion begins in the mouth via salivary Ξ±-amylase.
4%
The parotid gland is the most mucinous of the salivary glands.
1. Which organ is covered by partially keratinized Stratified Squamous
epithelium?
epithelium?
Anonymous Quiz
6%
Soft palate
5%
Floor of mouth
0%
Inner aspect of cheek
89%
Dorsum of tongue
2. A section in the lip red margin contains:
Anonymous Quiz
1%
Hairy thin skin
83%
Rich sensory innervation
0%
Sweat gland
16%
Scanty blood capillary
The lip section contain ?
Anonymous Quiz
8%
Buccinator skeletal muscle
19%
Compound acinar labial gland
73%
Vermilion
0%
Thick skin
The dorsum of tongue has :
Anonymous Quiz
0%
Fully keratinized epithelium
16%
Lingual tonsil on ant. 2/3
3%
No tongue papillae
81%
Firmly adherent mucosa
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the ligament that extends from the ASIS to pubic tubercle is the:
Anonymous Quiz
1%
lacunar.
0%
inferior alveolar.
99%
inguinal.
0%
ilio-pectineal.
1οΈβ£ Regarding the inguinal canal, choose the correct answer:
Anonymous Quiz
93%
the deep inguinal ring lies in fascia transversalis.
1%
A direct inguinal hernia comes through the deep inguinal ring.
0%
the posterior boundary of the canal is formed by external obliqe aponeurosis.
6%
the superfascial inguinal ring lies below& lateral to pubic tubercle.
35- Regarding the inguinal ligament, one of the following statements is correct:
Anonymous Quiz
97%
a- It is attached laterally to the anterior superior iliac spine
1%
b- The lacunar ligament extends from the lateral part of the inguinal ligament to the pectineal line
0%
c- It is attached medially to the pubic crest
1%
d- It is pulled downwards by the Scarpa's fascia
4οΈβ£ Which of the following arteries is used to characterize an inguinal hernia as direct or indirect?
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3%
obturator.
1%
deep external pudendal.
3%
femoral.
93%
inferior epigastric.
Patient presents with intermittent midepigastric pain.Gastric analysis reveals that basal and maximal acid outputs exceed normal values. The gastric acid hypersecretion can be explained by an increase in the plasma concentration of which of the following?
Anonymous Quiz
5%
Cholecystokinin
1%
Somatostatin
90%
Gastrin
5%
Secretin
Gastrin can stimulate Hcl secretion by:
Anonymous Quiz
8%
acting on muscarinic receptors on parietal cells
3%
Release of cGMP as 2nd messenger
79%
Indirect action via stimulation of histamine release from ECL cells.
11%
Release of cAMP as a 2nd messenger
Inhibition of the myenteric plexus leads to which of the following?
Anonymous Quiz
92%
Decreased gut motility
4%
Hyperacidity in the stomach.
2%
Diarrhea
2%
Increased secretin hormone release from the duodenum.
Site of action of Omeprazole is:
Anonymous Quiz
3%
Active H and CL cotransport
4%
CL/HCO3 exchange
12%
Na/K pump
82%
H/K ATPase
aeThe filiform papill
Anonymous Quiz
2%
Contain few taste buds
4%
Are red in Color
89%
Are covered by keratinized stratified squamous epithelium
6%
Cover post. 2/3 of the tongue