Answer the following statements true (T) or false (F)
1. Calcitonin is an example of a hormone that uses a negative feedback mechanism for regulation.
2. Oxytocin is an example of a hormone that uses a positive feedback mechanism for regulation.
3. Positive feedback mechanisms work to return the body to homeostasis.
4. Prostaglandins are also called “tissue hormones.”
5. Prostaglandins made in one part of the body frequently can have an effect on distant parts of the body.
1. TRUE
2. TRUE
3. FALSE
4. TRUE
5. FALSE
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A displaced abomasum occurs when the rumen fills with excessive liquid
Indicate whether the statement is true or false
Primary oocyte production begins before birth
Indicate whether the statement is true or false
During spermatogenesis, ________ is required for ________
a. FSH; spermatid remodeling b. LH; spermatid remodeling c. testosterone; for both mitosis and meiosis in the germ cells d. Both a and c e. Both b and c.
During a boxing match, Sammy was hit on the side of the neck. He stopped breathing temporarily due to damage to the:
A) cervical plexus. B) brachial plexus. C) lumbar plexus. D) sacral plexus.