Describe the functions of each of the brain lobes {Ans: Frontal lobe: -Voluntary motor functions, motivation, foresight, planning, memory, mood, emotion, social judgment, and aggression Parietal lobe: -Integrates general senses, taste, and some visual information Occipital lobe: -Primary visual center of brain Temporal lobe: -Functions in hearing, smell, learning, memory, and some aspects of vision and emotion}Compare between the action of a steroidal and non steroidal hormones {Ans: Steroidal anti-inflammatory drugs (SAIDs): -Inhibit inflammation by blocking release of arachidonic acid from plasma membrane and inhibit synthesis of eicosanoids Nonsteroidal anti-inflammatory drugs (NSAIDs): -Do not affect lipoxygenase function or leukotriene production -Useful in treatment of fever and thrombosis -Inhibit prostaglandin and thromboxane synthesis}Describe photoreceptors {Ans: the eyes, respond to light}Describe the gonads {Ans: -Ovaries and testes are both endocrine and exocrine -Exocrine product: whole cells—eggs and sperm -Endocrine product: gonadal hormones—mostly steroids -Ovarian hormones: Estradiol, progesterone, and inhibin Testicular hormones: Testosterone: Stimulates development of male reproductive system in fetus and adolescent, and sex drive, Sustains sperm production -weaker androgens -estrogen -inhibin: Limits FSH secretion in order to regulate sperm production}Describe endocrine {Ans: -secrete chemicals (hormones) into the blood -"Internal secretions"}MSH (melanocyte stimulating hormone) function {Ans: