PCAT practice test questions with
complete solutions 2025
Centers ,for ,regulating ,hunger, ,sleep, ,thirst, ,body ,temperature, ,water ,balance,
,and ,blood ,pressure ,are ,found ,in ,the ,- ,CORRECT ,ANSWER-hypothalamus
A ,patient's ,anterior ,pituitary ,gland ,is ,removed ,due ,to ,the ,presence ,of ,a ,malignant
,tumor. ,Plasma ,concentration ,of ,which ,of ,the ,following ,hormones ,would ,be ,LEAST
,affected ,following ,surgery? ,- ,CORRECT ,ANSWER-insulin
red-green ,color ,blindness ,is ,a ,sex-linked ,recessive ,trait. ,What ,is ,the ,probability ,that ,a
,boy ,born ,to ,an ,unaffected ,man ,and ,a ,carrier ,woman ,will ,be ,color ,bind? ,- ,CORRECT
,ANSWER-1/2
A ,patient ,who ,has ,gained ,40 ,lbs ,in ,the ,past ,3 ,months ,goes ,to ,her ,physician ,with
,complaints ,of ,fatigue. ,She ,is ,found ,to ,have ,a ,goiter ,and ,a ,decreased ,metabolic ,rate.
,Based ,on ,this ,information, ,the ,patient ,most ,likely ,has ,a ,deficiency ,of... ,- ,CORRECT
,ANSWER-thyroxine
Which ,of ,the ,following ,statements ,about ,the ,heart ,is ,true? ,- ,CORRECT ,ANSWER-A.
,Both ,the ,superior ,and ,inferior ,vena ,cava ,route ,blood ,into ,the ,right ,atrium.
Marfan ,syndrome ,is ,an ,inherited ,disorder ,with ,a ,deleterious ,effect ,on ,the ,connective
,protein ,fibrillin. ,Which ,of ,the ,following ,is ,LEAST ,likely ,a ,symptom ,of ,this ,disorder? ,-
,CORRECT ,ANSWER-peripheral ,neuropathy ,; ,because ,it ,is ,composed ,of ,nervous
,tissue ,rather ,than ,connective ,tissue
In ,the ,menstrual ,cycle, ,what ,is ,triggered ,by ,a ,surge ,in ,LH? ,- ,CORRECT ,ANSWER-
ovulation
In ,a ,eukaryotic ,cell, ,which ,organelle's ,primary ,function ,is ,protein ,synthesis? ,-
,CORRECT ,ANSWER-ribosome
Which ,of ,the ,following ,can ,be ,absorbed ,in ,the ,STOMACH? ,- ,CORRECT ,ANSWER-
alcohol ,and ,certain ,drugs; ,amino ,acids, ,monosaccharides, ,and ,small ,fatty ,acids ,must
,be ,absorbed ,by ,the ,small ,intestine
what ,path ,does ,oxygen ,follow ,when ,traveling ,through ,the ,respiratory ,structures? ,-
,CORRECT ,ANSWER-external ,nares ,(nostrils)> ,nasal ,cavity> ,internal ,nares>
,pharynx> ,larynx> ,trachea> ,bronchi> ,bronchioles> ,alveoli
, Which ,of ,the ,following ,pairs ,of ,words ,best ,describes ,the ,autonomic ,nervous ,system?
,- ,CORRECT ,ANSWER-sympathetic ,and ,parasympathetic
The ,5 ,types ,of ,immunoglobulins ,are ,secreted ,from ,which ,type ,of ,cell? ,- ,CORRECT
,ANSWER-differentiated ,B ,lymphocytes
which ,of ,the ,following ,is ,not ,part ,of ,the ,AXIAL ,skeleton? ,- ,CORRECT ,ANSWER-
pelvis
compared ,to ,inhaled ,air ,in ,the ,alveoli, ,the ,partial ,pressures ,of ,carbon ,dioxide ,in ,the
,pulmonary ,artery ,is... ,- ,CORRECT ,ANSWER-greater
If ,18O ,labeled ,glucose ,is ,given ,to ,a ,human, ,where ,is ,the ,label ,most ,likely ,to ,appear?
,A. ,Exhaled ,O2
,B. ,Exhaled ,CO2
,C. ,Exhaled ,H2O
,D. ,Intracellular ,ATP ,- ,CORRECT ,ANSWER-b) ,exhaled ,CO2
Large ,molecules ,exit ,the ,cell ,by ,the ,process ,known ,as ,? ,- ,CORRECT ,ANSWER-
exocytosis
If ,a ,patient ,with ,high ,blood ,glucose ,levels ,accidentally ,took ,an ,overdose ,of ,insulin,
,which ,of ,the ,following ,would ,occur? ,- ,CORRECT ,ANSWER-convulsions ,due ,to
,decreased ,blood ,glucose ,concentrations
Which ,of ,the ,following ,is ,true ,concerning ,a ,sex-linked ,lethal ,recessive ,trait? ,-
,CORRECT ,ANSWER-it ,will ,cause ,death ,primarily ,in ,males
which ,of ,the ,following ,is ,not ,reabsorbed ,from ,the ,tubules ,of ,the ,nephron? ,-
,CORRECT ,ANSWER-proteins
what ,accounts ,for ,the ,blind ,spot ,in ,the ,field ,of ,vision? ,- ,CORRECT ,ANSWER-Exit
,point ,of ,the ,optic ,nerve ,from ,the ,eye
Kleinfelter's ,Syndrome ,(XXY) ,results ,from ,which ,type ,of ,chromosomal ,alteration? ,-
,CORRECT ,ANSWER-nondisjuction
the ,process ,by ,which ,a ,cell ,engulfs ,large ,particulate ,matter ,is ,called? ,- ,CORRECT
,ANSWER-phagocytosis
fossils ,that ,are ,impressions ,left ,by ,an ,organism ,are ,known ,as ,? ,- ,CORRECT
,ANSWER-imprints
complete solutions 2025
Centers ,for ,regulating ,hunger, ,sleep, ,thirst, ,body ,temperature, ,water ,balance,
,and ,blood ,pressure ,are ,found ,in ,the ,- ,CORRECT ,ANSWER-hypothalamus
A ,patient's ,anterior ,pituitary ,gland ,is ,removed ,due ,to ,the ,presence ,of ,a ,malignant
,tumor. ,Plasma ,concentration ,of ,which ,of ,the ,following ,hormones ,would ,be ,LEAST
,affected ,following ,surgery? ,- ,CORRECT ,ANSWER-insulin
red-green ,color ,blindness ,is ,a ,sex-linked ,recessive ,trait. ,What ,is ,the ,probability ,that ,a
,boy ,born ,to ,an ,unaffected ,man ,and ,a ,carrier ,woman ,will ,be ,color ,bind? ,- ,CORRECT
,ANSWER-1/2
A ,patient ,who ,has ,gained ,40 ,lbs ,in ,the ,past ,3 ,months ,goes ,to ,her ,physician ,with
,complaints ,of ,fatigue. ,She ,is ,found ,to ,have ,a ,goiter ,and ,a ,decreased ,metabolic ,rate.
,Based ,on ,this ,information, ,the ,patient ,most ,likely ,has ,a ,deficiency ,of... ,- ,CORRECT
,ANSWER-thyroxine
Which ,of ,the ,following ,statements ,about ,the ,heart ,is ,true? ,- ,CORRECT ,ANSWER-A.
,Both ,the ,superior ,and ,inferior ,vena ,cava ,route ,blood ,into ,the ,right ,atrium.
Marfan ,syndrome ,is ,an ,inherited ,disorder ,with ,a ,deleterious ,effect ,on ,the ,connective
,protein ,fibrillin. ,Which ,of ,the ,following ,is ,LEAST ,likely ,a ,symptom ,of ,this ,disorder? ,-
,CORRECT ,ANSWER-peripheral ,neuropathy ,; ,because ,it ,is ,composed ,of ,nervous
,tissue ,rather ,than ,connective ,tissue
In ,the ,menstrual ,cycle, ,what ,is ,triggered ,by ,a ,surge ,in ,LH? ,- ,CORRECT ,ANSWER-
ovulation
In ,a ,eukaryotic ,cell, ,which ,organelle's ,primary ,function ,is ,protein ,synthesis? ,-
,CORRECT ,ANSWER-ribosome
Which ,of ,the ,following ,can ,be ,absorbed ,in ,the ,STOMACH? ,- ,CORRECT ,ANSWER-
alcohol ,and ,certain ,drugs; ,amino ,acids, ,monosaccharides, ,and ,small ,fatty ,acids ,must
,be ,absorbed ,by ,the ,small ,intestine
what ,path ,does ,oxygen ,follow ,when ,traveling ,through ,the ,respiratory ,structures? ,-
,CORRECT ,ANSWER-external ,nares ,(nostrils)> ,nasal ,cavity> ,internal ,nares>
,pharynx> ,larynx> ,trachea> ,bronchi> ,bronchioles> ,alveoli
, Which ,of ,the ,following ,pairs ,of ,words ,best ,describes ,the ,autonomic ,nervous ,system?
,- ,CORRECT ,ANSWER-sympathetic ,and ,parasympathetic
The ,5 ,types ,of ,immunoglobulins ,are ,secreted ,from ,which ,type ,of ,cell? ,- ,CORRECT
,ANSWER-differentiated ,B ,lymphocytes
which ,of ,the ,following ,is ,not ,part ,of ,the ,AXIAL ,skeleton? ,- ,CORRECT ,ANSWER-
pelvis
compared ,to ,inhaled ,air ,in ,the ,alveoli, ,the ,partial ,pressures ,of ,carbon ,dioxide ,in ,the
,pulmonary ,artery ,is... ,- ,CORRECT ,ANSWER-greater
If ,18O ,labeled ,glucose ,is ,given ,to ,a ,human, ,where ,is ,the ,label ,most ,likely ,to ,appear?
,A. ,Exhaled ,O2
,B. ,Exhaled ,CO2
,C. ,Exhaled ,H2O
,D. ,Intracellular ,ATP ,- ,CORRECT ,ANSWER-b) ,exhaled ,CO2
Large ,molecules ,exit ,the ,cell ,by ,the ,process ,known ,as ,? ,- ,CORRECT ,ANSWER-
exocytosis
If ,a ,patient ,with ,high ,blood ,glucose ,levels ,accidentally ,took ,an ,overdose ,of ,insulin,
,which ,of ,the ,following ,would ,occur? ,- ,CORRECT ,ANSWER-convulsions ,due ,to
,decreased ,blood ,glucose ,concentrations
Which ,of ,the ,following ,is ,true ,concerning ,a ,sex-linked ,lethal ,recessive ,trait? ,-
,CORRECT ,ANSWER-it ,will ,cause ,death ,primarily ,in ,males
which ,of ,the ,following ,is ,not ,reabsorbed ,from ,the ,tubules ,of ,the ,nephron? ,-
,CORRECT ,ANSWER-proteins
what ,accounts ,for ,the ,blind ,spot ,in ,the ,field ,of ,vision? ,- ,CORRECT ,ANSWER-Exit
,point ,of ,the ,optic ,nerve ,from ,the ,eye
Kleinfelter's ,Syndrome ,(XXY) ,results ,from ,which ,type ,of ,chromosomal ,alteration? ,-
,CORRECT ,ANSWER-nondisjuction
the ,process ,by ,which ,a ,cell ,engulfs ,large ,particulate ,matter ,is ,called? ,- ,CORRECT
,ANSWER-phagocytosis
fossils ,that ,are ,impressions ,left ,by ,an ,organism ,are ,known ,as ,? ,- ,CORRECT
,ANSWER-imprints