Question

In: Anatomy and Physiology

73.) A patient suffering from diabetic acidosis would display which of the following symptoms? Decreased H+...

73.) A patient suffering from diabetic acidosis would display which of the following symptoms?

Decreased H+ secretion by the kidneys

Decreased ammonia secretion by the kidneys

Hyperventilation

74.) Infants have __________ deciduous teeth, whereas adults have __________ permanent teeth.

32; 20

20; 32

16; 20

28; 20

32; 32

75.) Which of the following is the correct list of tissues which make up the tooth from the most superficial to the deepest?

Enamel, root canal, dentin

Enamel, dentin, pulp

Dentin, enamel, cementum

Crown, enamel, dentin

Cementum, root canal, enamel

76.) The buccal (oral) phase of swallowing is under __________ control and the pharyngoesophageal phase is __________.

autonomic nervous system control; controlled by the somatic nervous system

autonomic nervous system control; involuntary

somatic nervous system control; voluntary

voluntary control; involuntary

77.) The __________ regulates the flow of contents from the stomach to the duodenum.

fundic region

pyloric sphincter

gastric rugae

antrum

cardiac region

Solutions

Expert Solution

73. The answer is C - hyperventilation

Increased mobilization of fatty acids results in overproduction of ketone bodies which often leads to ketoacidosis.

Due to insulin's absence free fatty acids are released from adipose tissue by beta oxidation. Now the ketone bodies (acetoacetate and β-hydroxybutyrate) are formed. Though β-Hydroxybutyrate can serve as an energy source. Due to low pKa of ketone bodies metabolic acidosis occurs. Due to bicarbonate buffering system body maintauns homeostasis but gradually acidosis occurs. Through hyperventilation body lower the blood carbon dioxide levels. In extreme acidosis, Kussmaul respiration is observed.

74. Answer is B

75. Answer is B

76. Answer is B

Swallowing use both skeletal muscle (tongue) and smooth muscles of the pharynx and esophagus.

The autonomic nervous system coordinates this process in the pharyngeal and esophageal phases.

The oral phase is voluntary

whereas pharyngeal and oesophageal are mediated by involuntary reflex.

77. Answer is B

The pyloric sphincter is a band of smooth muscle at the junction between the pylorus of the stomach and the duodenum of the small intestine.

Sydney Mullin answered 10 months ago

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