What is formed by closure of neural groove?

A. Secondary palate
B. Neural tube
C. Mesonephros
D. Mandibular processes
E. Somites


Answer: B

Anatomy & Physiology

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When antidiuretic hormone levels rise, the distal convoluted tubule becomes __________.

less permeable to water; reabsorption of water increases less permeable to water; reabsorption of water decreases more permeable to water; water reabsorption increases more permeable to water; water reabsorption decreases

Anatomy & Physiology

Which of the following is the connection point between the axial skeleton and appendicular skeleton?

A) pelvis - femur B) vertebra - sacrum C) vertebra - scapula D) sternum - clavicle E) vertebra - skull

Anatomy & Physiology

Central chemoreceptors are most sensitive to changes in __________.

a) PCO2 b) PO2 c) hydrogen ion concentration d) hemoglobin concentration

Anatomy & Physiology

Which of the following components of saliva is mismatched with its function?

A. mucin - lubricant B. lysozyme - antibacterial properties C. bicarbonate - neutralizes acid D. IgA - prevents infection E. salivary amylase - begins protein digestion

Anatomy & Physiology