Which secretions are produced by spermatozoa at the time of fertilization

Which secretions are produced by spermatozoa at the time of fertilization
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Which secretions are produced by spermatozoa at the time of fertilization A. Fertilizin and ... an d antifertilizin D. Antifertilizin and spermlysin.
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Spermatids are transformed into spermatozoa by

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Which set of enzymes is found in the acrosome of mammalian spermatozoa :

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Acrosome of spermatozoa is formed from :

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How many secondary spermatocytes will form 400 spermatozoa :-

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During spermatogenesis how many spermatozoa are formed from a single primary spermatocyte

Description : During spermatogenesis how many spermatozoa are formed from a single primary spermatocyte

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Spermatozoa are nourished during their development by

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Spermatozoa in seminal fluid utilises the following sugar for metabolism: (A) Galactose (B) Glucose (C) Sucrose (D) Fructose

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The difference between spermiogenesis and spermiation is (a) in spermiogenesis spermatids are formed, while in spermiation spermatozoa are formed (b) in spermiogenesis spermatozoa are formed, while in spermiation spermatids are formed (c) in spermiogenesis spermatozoa from Sertoli cells are released into the cavity of seminiferous tubules, while in spermiation spermatozoa are formed (d) in spermiogenesis spermatozoa are formed, while in spermiation spermatozoa are released from Sertoli cells into the cavity of seminiferous tubules

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1.Spermatids are transformed into spermatozoa by

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The difference between spermiogenesis and spermiation is (1) In spermiogenesis spermatids are formed, while in spermiation spermatozoa are formed. (2) In spermiogenesis spermatozoa are formed, while in spermiation spermatids are formed. (3) In spermiogenesis spermatozoa from Sertoli cells are released into the cavity of seminiferous tubules, while in spermiation spermatozoa are formed. (4) In spermiogenesis spermatozoa are formed, while in spermiation spermatozoa are released from Sertoli cells into the cavity of seminiferous tubules.

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A 17-year-old patient involved in an automobile accident is paralyzed with multiple peripheral extremity injuries. Nutritional support is instituted with a transnasal feeding catheter. Which of the following statement(s) is/are true concerning the patient’s management? a. Feeding into the stomach results in stimulation of the biliary/pancreatic axis which is probably trophic for small bowel b. Gastric secretions will dilute the feedings increasing the risk of diarrhea c. The major risk in this patient is tracheobronchial aspiration d. Placement of the feeding catheter through the pylorus into the first portion of the duodenum reduces the risk of regurgitation and aspiration

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Which of the following is true of loss of gastrointestinal secretions? A. Gastric losses are best replaced with a balanced salt solution. B. Potassium supplementation is unnecessary in replacement of gastric secretions. C. Bicarbonate wasting is an unusual complication of a high-volume pancreatic fistula. D. Balanced salt solution is a reasonable replacement fluid for a small bowel fistula. E. A patient with persistent vomiting usually requires hyperchloremic replacement fluids.

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Bronchodilators are useful in cough (a) Only when cough is non-productive (b) Only when cough is associated with thick sticky secretions (c) Only when reflex bronchoconstriction is associated (d) Irrespective of nature of cough or associated features Ans: C 51 The common and dose related side effect of salbutamol is (a) Rise in blood pressure (b) Muscle tremor (c) Hyperglycaemia (d) Central nervous system stimulation

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What does make the blood look red? A. Red corpuscle B. Hemoglobin C. Plasma D. Certain secretions

Description : What does make the blood look red? A. Red corpuscle B. Hemoglobin C. Plasma D. Certain secretions

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What does make the blood look red? A. Red corpuscle B. Hemoglobin C. Plasma D. Certain secretions

Description : What does make the blood look red? A. Red corpuscle B. Hemoglobin C. Plasma D. Certain secretions

Last Answer : ANSWER: B

What does make the blood look red? A. Red corpuscle B. Hemoglobin C. Plasma D. Certain secretions

Description : What does make the blood look red? A. Red corpuscle B. Hemoglobin C. Plasma D. Certain secretions

Last Answer : ANSWER: B

The releasing of digestive secretions is controlled by hormones. What are the hormones that participate in this regulation?

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What are the five human digestive secretions? Which of them is the only one that does not contain digestive enzymes?

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Which one of the following four secretions, is different from the remaining three in regard to its mode of transport from the source gland to the site of action? (1) Saliva (2) Sweat (3) Bile (4) Epinephrine

Description : Which one of the following four secretions, is different from the remaining three in regard to its mode of transport from the source gland to the site of action? (1) Saliva (2) Sweat (3) Bile (4) Epinephrine

Last Answer : (3) Bile Explanation: Saliva: secreted by the salivary glands; Sweat: achieved by the water-rich secretion of the eccrine glands; Epinephrine: also known as adrenaline is a hormone and a neurotransmitter; ... odd one among all four as it is secreted by liver, while others are secreted by glands.

What is the term used for secretions of endocrine glands responsible for changes taking place in the body?

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What happens during fertilisation in humans after many sperms reach close to the ovum? (a) Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida. (b) All sperms except the one nearest to the ovum lose their tails. (c) Cells of corona radiata trap all the sperms except one. (d) Only two sperms nearest the ovum penetrate zona pellucida.

Description : What happens during fertilisation in humans after many sperms reach close to the ovum? (a) Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida. (b) All sperms except ... all the sperms except one. (d) Only two sperms nearest the ovum penetrate zona pellucida.

Last Answer : (a) Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida.