A chemical that minimizes changes in the pH of a body fluid by releasing or bind

Question

A chemical that minimizes changes in the pH of a body fluid by releasing or binding hydrogen on s called a(n) A) acid. B) compensation C) alkali D) buffer. E) electrolyte. The tons in highest concentration in the extracellular fluid are A) sodium, potassium, and calcium. B) sodium, potassium, and bicarbonate C) sodium. potassium. and phosphate D) sodium. chloride and bicarbonate. E) sodium. hydrogen, and chloride Arrange the four structures listed below into the order in which sperm pass from the testis to the urethral meatus. 1. ductus deferens 2. urethra 3 ejaculatory duct 4 epididymis A) 4 1 3 2 B) 1 3 4 2 C) 4 1 2 3 D) 1 4 3 2 E) 4 3 1 2 The organ that surrounds the urethra and produces an alkaline secretion is the A) seminal gland (seminal vesicle). B) prostate gland. C0 Bartholin's gland. D) preputial gland. E) bulbourethral gland. Nurse cells. A) coordinate spermatogenesis. B) are found in the seminiferous tubules. C) form the blood testis barrier. D) secrete the hormone inhilbin. E) All of the answers are correct. The special type of cell division required to produce gametes is called A) mitosis. B) capacitation C) fertilization D) meiosis E) maturation Interstitial cells A) produce testosterone B) respond to luteinizing hormone C) are also called Leydig cells. D) are located between seminiferous tubules E) All of the answers are correct During the secretory phase of the menstrual cycle A) progesterone levels are high. B) the corpus luteum is formed C) endometrial glands enlarge D) the fertilized ovum implant E) Al of the answers, are correct The uterine phase that develops because of a fall in progesterone levels is A) the menses. B) the proliferative phase. C) the luteal phase D) the secretory phase E) the follicular phase. The principal hormone secreted by the corpus luteum is A) LH. B) progesterone C) FSH. D) estrogen E) luteosterone Which of the following is not an action of estrogen? A) mimics the symptoms of menopause B) stimulates bone growth C) maintains accessory reproductive organs D) maintains female secondary sex characteristics. E) initiates repair of the endometrium

Explanation / Answer

80.A chemical that minimises changes in the pH of the body fluids by binding or releasing H+ions is known as

Ans.D) Buffer

81.The ions in highest concentration in the extracellular fluid are

Ans.D) sodium,chloride and bicarbonate

82.Arrange the structures in order the sperm pass from testis to the urethral meatus

Ans.A)4,1,3,2

83.The organ that surrounds the urethra and produces an alkaline secretion is the

Ans.B) prostate gland

84.Nurse cells

Ans.E)All of the answers are correct

85.The special type of cell division required to produce gametes is called

Ans.D)meiosis

86.Interstitial cells

Ans..E)All of the answers are correct

87.During the secretory phase of menstrual cycle

Ans.E)All of the answers are correct

88.The uterine phase that develops because of fall in progesterone levels is

Ans.A)the menses

89.The principal hormone secreted by corpus luteum is

Ans.B) progesterone

90.Which of following is not an action of estrogen?

Ans.A)mimics the symptoms of menopause

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