In the process of tissue repair, which of the events listed below occurs last?
A. Fibroblasts migrate to the area.
B. An inflammatory response occurs.
C. Granulation tissue develops.
D. The wound fills with blood and a clot forms.
E. A scab forms to seal the wound.
C
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The term for a decrease in heart rate is __________
Fill in the blank with the correct word.
An action potential on a neuron develops when
a. threshold voltage is reached on an axon b. voltage-gated Na+ channels open c. spatial or temporal summation of graded potentials occurs to a great enough degree d. the axon hillock reaches threshold voltage e. any of the above events occur
A physical fitness trainer for a young Hollywood movie star explains the reasons for 100 stomach crunches a day. The young star, a medical student before "hitting it big," reaffirms to his trainer that the lateral mar- gin of the rectus abdominis, the muscle responsible for a washboard stomach, defines which of the following structures?
(A) Linea alba (B) Linea semilunaris (C) Linea semicircularis (D) Transversalis fascia (E) Falx inguinalis
"Lactational amenorrhea" is a physiological phenomenon that parallels a common cause of infertility due to elevated levels of:
A. prolactin B. oxytocin C. progesterone D. inhibin E. dopamine